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Cheap flights from Austin to Florida Keys from $48

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Florida Keys departing on 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Austin to Florida Keys

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:02 pm - 12:42 am
AUS
-
MIA
5h 40m1 stop
Frontier Logo
5:15 am - 5:07 pm
MIA
-
AUS
12h 52m1 stop
$98Frontier
Thu, Jan 15 - Mon, Jan 19
Frontier Logo
6:05 pm - 12:46 am
AUS
-
MIA
5h 41m1 stop
Frontier Logo
6:18 pm - 10:31 pm
MIA
-
AUS
29h 13m1 stop
$99Frontier
Mon, Jan 12 - Tue, Jan 20
Southwest Logo
2:00 pm - 9:30 pm
AUS
-
MIA
6h 30m1 stop
Southwest Logo
9:00 am - 11:20 am
MIA
-
AUS
3h 20mnonstop
$101Southwest
Wed, Jan 7 - Thu, Jan 8
Frontier Logo
5:58 pm - 12:47 am
AUS
-
MIA
5h 49m1 stop
Frontier Logo
5:30 am - 5:02 pm
MIA
-
AUS
12h 32m1 stop
$104Frontier
Fri, Jan 23 - Fri, Jan 30
Frontier Logo
6:05 pm - 12:46 am
AUS
-
MIA
5h 41m1 stop
Frontier Logo
5:20 am - 5:00 pm
MIA
-
AUS
12h 40m1 stop
$105Frontier
Thu, Jan 8 - Sun, Jan 11
Spirit Airlines Logo
7:00 am - 11:56 am
AUS
-
EYW
3h 56m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$183Spirit Airlines
Thu, Jan 8 - Mon, Jan 12
American Airlines Logo
2:04 pm - 9:47 pm
AUS
-
EYW
6h 43m1 stop
American Airlines Logo
7:45 pm - 12:38 am
EYW
-
AUS
5h 53m1 stop
$191American Airlines
Sat, Feb 7 - Tue, Feb 10
American Airlines Logo
6:09 pm - 11:56 pm
AUS
-
EYW
4h 47m1 stop
American Airlines Logo
6:06 am - 3:09 pm
EYW
-
AUS
10h 03m2 stops
$196American Airlines
Sat, Feb 7 - Tue, Feb 10
Delta Logo
10:52 am - 7:44 pm
AUS
-
EYW
7h 52m1 stop
Delta Logo
6:00 pm - 12:26 am
EYW
-
AUS
7h 26m1 stop
$197Delta
Sat, May 2 - Wed, May 6
Spirit Airlines Logo
7:25 am - 1:30 pm
AUS
-
EYW
5h 05m1 stop
Spirit Airlines Logo
2:25 pm - 9:35 pm
EYW
-
AUS
8h 10m1 stop
$213Spirit Airlines
Fri, Jan 9 - Fri, Jan 16

Southwest flights from Austin to Florida Keys

Our best Southwest deals on Austin to Florida Keys flight tickets
Southwest
Jan 7
AUS2:00 pmAustin Bergstrom
6h 30m
1 stop
MIA9:30 pmMiami
Jan 8
MIA9:00 amMiami
3h 20m
AUS11:20 amAustin Bergstrom
$101
Find similar
Southwest
Jan 5
AUS3:15 pmAustin Bergstrom
2h 40m
MIA6:55 pmMiami
Jan 8
MIA12:00 pmMiami
5h 40m
1 stop
AUS4:40 pmAustin Bergstrom
$153
Find similar
Southwest
Dec 19
AUS8:55 pmAustin Bergstrom
11h 05m
1 stop
MIA9:00 amMiami
Dec 25
MIA11:40 amMiami
3h 15m
AUS1:55 pmAustin Bergstrom
$280
Find similar

American Airlines flights from Austin to Florida Keys

Our best American Airlines deals on Austin to Florida Keys flight tickets
American Airlines
Jan 30
AUS5:10 amAustin Bergstrom
2h 48m
MIA8:58 amMiami
Feb 1
MIA10:11 pmMiami
3h 27m
AUS12:38 amAustin Bergstrom
$134
Find similar
American Airlines
Jan 10
AUS6:09 pmAustin Bergstrom
2h 46m
MIA9:55 pmMiami
Jan 12
MIA10:11 pmMiami
3h 27m
AUS12:38 amAustin Bergstrom
$135
Find similar
American Airlines
Jan 3
AUS5:16 amAustin Bergstrom
2h 54m
MIA9:10 amMiami
Jan 10
MIA8:30 amMiami
3h 25m
AUS10:55 amAustin Bergstrom
$143
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Austin to Florida Keys that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 1/15

6:02 pm-12:42 am

1 stop5h 40m

Miami

Mon 1/19

5:15 am-5:07 pm

1 stop12h 52m

$98

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 1/12

6:05 pm-12:46 am

1 stop5h 41m

Miami

Tue 1/20

6:18 pm-10:31 pm

1 stop29h 13m

$99

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Wed 1/7

2:00 pm-9:30 pm

1 stop6h 30m

Miami

Thu 1/8

9:00 am-11:20 am

Nonstop3h 20m

$101

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 1/23

5:58 pm-12:47 am

1 stop5h 49m

Miami

Fri 1/30

5:30 am-5:02 pm

1 stop12h 32m

$104

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 1/8

6:05 pm-12:46 am

1 stop5h 41m

Miami

Sun 1/11

5:20 am-5:00 pm

1 stop12h 40m

$105

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 1/8

7:00 am-11:56 am

1 stop3h 56m

Key West

Mon 1/12

2:25 pm-9:35 pm

1 stop8h 10m

$183

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 2/7

2:04 pm-9:47 pm

1 stop6h 43m

Key West

Tue 2/10

7:45 pm-12:38 am

1 stop5h 53m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 2/7

6:09 pm-11:56 pm

1 stop4h 47m

Key West

Tue 2/10

6:06 am-3:09 pm

2 stops10h 03m

$196

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 5/2

10:52 am-7:44 pm

1 stop7h 52m

Key West

Wed 5/6

6:00 pm-12:26 am

1 stop7h 26m

$197

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 1/9

7:25 am-1:30 pm

1 stop5h 05m

Key West

Fri 1/16

2:25 pm-9:35 pm

1 stop8h 10m

$213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Florida Keys from

How to get the cheapest flight ticket from Austin to Florida Keys

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Florida Keys?

The month of August is another great option to travel to Florida Keys, with average flight prices from Austin averaging around $207.

What is the cheapest day to depart on your flight to Florida Keys?

The cheapest day to depart from Austin to Florida Keys is on a Thursday when prices can be found for as low as $491. The most expensive day to fly to Florida Keys is Saturday, with ticket prices averaging around $602.

What is the cheapest time of day to depart on your flight to Florida Keys?

According to our data, the cheapest time of day to fly to Florida Keys is in the evening. momondo users have found flights departing from Austin to Florida Keys in the evening for as low as $102. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $588.

How far in advance should I book a flight to Florida Keys?

You are more likely to see cheaper flights to Florida Keys from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Florida Keys for around $298 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Florida Keys from Austin for as low as $250 on momondo.

Can stopping save me money on Austin to Florida Keys flights?

No. A direct flight is the cheapest option for a flight between Austin to Florida Keys.

Cheap Austin to Florida Keys flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Florida Keys

Fastest flight time

2h 35m

Direct flights

Every day

Airports in Florida Keys

3 airports
The fastest flight from Austin to Florida Keys takes 2h 35m
Direct flights go from Austin to Florida Keys every day.
There are 3 airports in Florida Keys. From Austin there are direct flights to Miami (MIA).
Search flight deals

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Florida Keys?

    Prices for flights from Austin Bergstrom Airport to Florida Keys were last updated today.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Florida Keys?

  • How old do you have to be to fly from Austin Bergstrom Airport to Florida Keys?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Florida Keys.

  • What documentation or ID do you need to fly to Florida Keys?

    The travel and health documents you'll need for your trip to Florida Keys may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Florida Keys. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Austin to Florida Keys?

Best airlines flying from Austin to Florida Keys

Compare and see reviews for airlines that fly from Austin to Florida Keys with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $196Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $226Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $258Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Florida Keys?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Florida Keys. momondo saves you time and could save you money on your trip.

Can I find flights from Austin to Florida Keys with flexible booking policies on momondo?

All flight searches from Austin to Florida Keys on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Florida Keys?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Austin to Florida Keys.

I’m not ready to book a flight from Austin to Florida Keys right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Florida Keys from Austin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Florida Keys trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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Find better results for your trip to Florida Keys

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Popular flights according to clicks in the last 7 days on momondo
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